Administrative Assistant

Posted 20 March 2026 LocationBrazil Job type Temporary Discipline Cargo Logistics Reference001762 Job description OEG Job Advert - Administrative Assistant Company Overview OEG is a leading energy solutions business, providing mission-critical infrastructure assets and services to the global offshore energy industry. Through our specialist divisions - topside, marine, subsea, logistics and industrials, we are a pivotal link in the global offshore energy project chain, ensuring our customers' projects are delivered safely, reliably and efficiently. Location Macaé-RJ, Brazil. Contract Full-time, temporary (Maternity Cover - 8 months). Core Purpose Support the Finance and Administrative Manager with day-to-day finance and HR administrative tasks. Ensure all departmental activities are completed accurately, on time, and in line with company policies. Manage finance and administrative routines, with a focus on invoicing, accounts receivable and accounts payable. Oversee billing processes for equipment rental and services, ensuring accuracy and timeliness. Key Responsibilities and Accountabilities Prepare and issue pro forma invoices and final invoices in line with company policies and client-specific guidelines for each measurement. Support cash flow management and monitor bank statements to ensure accuracy and timely reconciliation. Manage accounts payable and receivable (AP/AR), including supplier payments and account monitoring. Issue and manage invoices for transport and transhipment, ensuring accurate tracking and control. Receive and process supplier invoices. Organise external services to support administrative operations. Create and manage accounts receivable records using the Rhythmus RMS system. Enter and manage monthly measurement billing in the Rhythmus RMS system. Manage document control and archiving, ensuring records are accurate, organised, and easily retrievable. Assist with the preparation and issuance of financial reports as required. Collect and submit required documentation to clients and suppliers upon request. Provide support for ISO 9001 compliance in Finance, Administration, and Human Resource activities. QHSE Responsibilities To have a general understanding of the areas of our QHSE Management System and OEG's QHSE aims and objectives that are relevant to the role. Comply with the requirements of OEG Energy Group Policies and the responsibilities within the wider QHSE Management System. Promoting a proactive health and safety culture focussed on the prevention of work-related injury or ill health and continual improvement in our processes / performance. environmental sustainability and energy efficiency whilst minimising our environmental impacts and preventing pollution. a quality culture that brings values to our business, our customers and other interested parties ensuring quality issues and opportunities for improvement are identified and implemented. Skills and Experience Minimum of 2-3 years of experience in administrative roles. Excellent communication and presentation skills, both written and verbal. Proficiency in English is desirable. Strong analytical skills with a methodical approach to tasks and problem-solving. Strong negotiation skills with the ability to communicate effectively with customers and suppliers. Strong attention to detail, ensuring accuracy and quality in all tasks. Ability to work collaboratively within a team and build strong professional relationships. Ability to work effectively under pressure and meet deadlines. Qualifications Degree in Business Administration is desirable but not essential. We are an equal opportunity employer committed to a fair and inclusive recruitment process for all applicants. Apply Now Save this job Administrative Assistant Brazil Posted 27 days ago Apply Now Share this job linkedin twitter facebook mail whatsapp Sign up for job alerts Sign in or register here to receive emails about new jobs like these You agree to our Terms & conditions Latest Jobs Fleet Marine Engineer United Kingdom Permanent Regional Human Resources Administrator Marabella Full-Time Crewing Coordinator Den Helder Full-Time CDL Driver Permanent Customer Service Representative Marabella Full-Time